mattydipps
New Member
i really dont know much about impellers.. but i would like to start looking for a deal on an impeller for my gtx... can anyone give me any suggestions on what i need? solas obviously but which model?
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need help choosing an impeller
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red2blue
New Member
Up grade your air before going with a 14/17.
mattydipps
New Member
4 inch Air and free flow are sitting in my living room waiting for the ski to come back.. Riva intake grate will go on I also plan on bigger injectors and a drop in wheel for the sc
and maybe a holeshot.. Down the line
red2blue
New Member
mattydipps
New Member
I'm thinking about an et127 wheel.. Heard nothing but great things about them.
red2blue
New Member
and a 3mm spacer...right?
I'd go with a 14/19R, then tweek to suit....at least till you go with an exIC.
If your interest is in holeshot...down the road...you'll prolly wanna look at a Skat 3blade.
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What he said. I'm going with a 14/19 when I do my X charger.
mattydipps
New Member
maybe a stupid question.. but what does the 14 stand for... along with the 19?
does skat have a website? after quick google search i think i may be searching for the wrong thing lol
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smc0922
New Member
That's the pitch of the impeller. It starts at a 19" pitch and ends at a 14" pitch. Errr other way around....
Pitch refers to the incline of the blade, if you were able to rotate a 19" constant pitch blade one revolution with no drag or slippage, it would move 19". Think of it like driving a screw into wood. Lower pitch allows more bite and higher pitch allows "faster" movement.
Pitch refers to the incline of the blade, if you were able to rotate a 19" constant pitch blade one revolution with no drag or slippage, it would move 19". Think of it like driving a screw into wood. Lower pitch allows more bite and higher pitch allows "faster" movement.
mattydipps
New Member
awesome description... that made it so easy for me to understand.. thank you !
Isn't an impeller measured in degrees and not inches like a propeller in the quoted example?
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"Pitch" Refers to the degree of angle of the impeller blades. A straight pitch impeller blade is angled the same from the front of the hub to the rear. A progressively pitched impeller changes angle from the front to the rear. Meaning that a progressive impeller has a variable pitch. For example, an 8/17 impeller half of the blade would be pitched (bent) at 8 (bottom end performance) and the top end would be pitched (bent) at 17.
A lower number impeller produces more low end RPM, thrust and acceleration which will benefit a heavy rider and/or a low powered stock engine. A higher number pitch angle improves top speed. One thing to note, top end speed is hard to improve upon without losing bottom end torque / thrust.
If you mod the engine where you can get higher RPM's then getting an impeller to increase the top end speed is doable as you can get a progressive impeller that will give you the low end as well as increased top end due to increasing the output of the engine.
Clear as mud ?
A lower number impeller produces more low end RPM, thrust and acceleration which will benefit a heavy rider and/or a low powered stock engine. A higher number pitch angle improves top speed. One thing to note, top end speed is hard to improve upon without losing bottom end torque / thrust.
If you mod the engine where you can get higher RPM's then getting an impeller to increase the top end speed is doable as you can get a progressive impeller that will give you the low end as well as increased top end due to increasing the output of the engine.
Clear as mud ?
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